AV Stumpfl Monoblox surface AP 4:3 projection surface for front projection, supplied without the frame or stand. The surface has a 4:3 aspect ratio, an overall size of 203 × 157 cm and a projection area of 183 × 137 cm. The surface gain is identified by code R10. The product belongs to the Monoblox series and has a net weight of 1.8 kg. The manufacturer article number is BXF-AV203157A1ID.